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Evidence that positive rewards are learnt faster than negative rewards?@what what is the obvious statement that doesn't need to be shown? That beating children is a less effective at getting them to learn than smiling at them? Seems like a non-obvious statement to me, especially given the history of education. I've definitely heard the sentiment you're expressed before, and it does seem to be a central part of modern perspectives in education, at least in the west. But dismissing zergylord with a story or apples-and-oranges is not conducive to learning, nor is his caution unwarranted given how notorious educational-psych is for not doing well controlled studies.

Definition of or research on fun@Krysta if you have extra criteria for answers, like demanding that they be empirical (since, as we've discussed before, this is not an inherent criteria for CogSci) then you should make that explicit in your question out of respect for the time of people who write the answers.

Jan14

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How to integrate word prediction keyboard into P300-based BCI (brain computer interface) system?Thank you for the question. Please try to avoid creating redundant tags. For example, on this question you created both the tag brain-computer-interface and bci, and on a previous question you introduced both error-related-negativity and ern; you should avoid creating multiple tags that mean the same things, and try to use existing tags as much as possible. I've fixed them on both this and the previous question. Also, although this question is on-topic here, it might get better response at UX.SE.